Word: somatotropin
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Hormones are a hot issue in these parts. As do at least 85% of Maine's milk producers, Nutting signs an affidavit each year vowing not to inject his cows with recombinant bovine somatotropin (RBST), a genetically engineered growth hormone. "We're proud of the way we farm," says the third-generation dairyman. "Consumers have the right to know how their milk is made...
...similar controversy has blown up over CR's condemnation of bovine somatotropin (bst), a genetically engineered hormone to increase milk production in cows. Again, the magazine's original warning in the May 1992 issue (udder insanity) was widely reprinted, prompting consumer resistance to the use of bst on dairy cows. And again, a small battalion of other environmental watchdogs refuted the claims of danger, including the A.M.A. and the Food and Drug Administration...
...wrangling threatens the safety of American milk. The hormone, a natural protein found in cows, is being artificially manufactured in vats of genetically altered bacteria. When cows are regularly given extra doses of the hormone, their milk production can rise as much as 15%. Scientists call the chemical bovine somatotropin (BST) or, more simply, bovine growth hormone (BGH), and it is marketed under the trade name Posilac...
...substance at the center of the dispute is a naturally occurring protein known to scientists as bovine somatotropin, or more simply, bovine growth hormone (BGH). Dairy farmers have known for decades that cows given booster shots of BGH would produce more milk -- up to 15% more. But the only available source of the hormone was the pituitary glands of butchered cows, which yield only minute quantities. Then, in 1982, scientists used new gene-splicing techniques to manipulate bacteria into mass-producing BGH. By the mid-1980s, four drug companies -- including Monsanto and Eli Lilly -- had applied...
...manufacturers the hormone represents the dawn of a dazzling new era in agriculture. To its critics, however, it poses a dangerous threat to the prosperity of dairy farmers and the wholesome image of "nature's perfect food." The product is bovine somatotropin, a natural protein found in cattle that has been artificially mass-produced in the labs of several pharmaceutical firms. When injected into dairy cows, BST can increase their milk production up to 25%. But would the use of BST create a milk glut that could drive down dairy prices? And would consumers view milk from BST-treated cows...